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EP 2 313 629 A1

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(43) Date of publication: 27.04.2011 Bulletin 2011/17 (21) Application number: 09765280.4 (22) Date of filing: 16.06.2009

(51) International Patent Classification (IPC):  F02B 75/24(2006.01) F01B 7/02(2006.01) F02B 75/28(2006.01) F02D 15/04(2006.01) (86) International application number: PCT/BR2009/000162 (87) International publication number: WO 2009/152592 (23.12.2009 Gazette 2009/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 17.06.2008 BR PI0805766 20.10.2008 BR PI0804463 (71) Applicants: Proença, Luiz Carlos Leite 18015-415 Socoraba - SP (BR) E Silva, Claudemir De Abreu 18065-290 Sorocaba - SP (BR) Colella, Frederico Do Amaral 18090-585 Sorocaba - SP (BR)

(72) Inventors: Proença, Luiz Carlos Leite 18015-415 Socoraba - SP (BR) E Silva, Claudemir De Abreu 18065-290 Sorocaba - SP (BR) Colella, Frederico Do Amaral 18090-585 Sorocaba - SP (BR) (74) Representative: Ferreccio, Rinaldo  Botti & Ferrari S.r.l. Via Cappellini, 11 20124 Milano 20124 Milano (IT)